"connaître comme sa poche" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "to know like one's pocket"
      },
      "expansion": "“to know like one's pocket”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "to know like one's pocket"
      },
      "expansion": "Literally, “to know like one's pocket”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “to know like one's pocket”.",
  "head_templates": [
    {
      "args": {},
      "expansion": "connaître comme sa poche",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French similes",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "I know this place like the back of my hand.",
          "text": "Je connais cet endroit comme ma poche.",
          "type": "example"
        }
      ],
      "glosses": [
        "to know like the back of one's hand, to know backwards, to know inside and out"
      ],
      "id": "en-connaître_comme_sa_poche-fr-verb-dSsh6SSE",
      "links": [
        [
          "know like the back of one's hand",
          "know like the back of one's hand"
        ],
        [
          "know backwards",
          "know backwards"
        ],
        [
          "know inside and out",
          "know inside and out"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(informal, figuratively, simile) to know like the back of one's hand, to know backwards, to know inside and out"
      ],
      "related": [
        {
          "word": "connaître sur le bout des doigts"
        }
      ],
      "tags": [
        "figuratively",
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kɔ.nɛ.tʁə kɔm sa pɔʃ/"
    },
    {
      "ipa": "/kɔ.ne.tʁə kɔm sa pɔʃ/"
    },
    {
      "audio": "LL-Q150 (fra)-LoquaxFR-connaître comme sa poche.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/24/LL-Q150_%28fra%29-LoquaxFR-conna%C3%AEtre_comme_sa_poche.wav/LL-Q150_%28fra%29-LoquaxFR-conna%C3%AEtre_comme_sa_poche.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/24/LL-Q150_%28fra%29-LoquaxFR-conna%C3%AEtre_comme_sa_poche.wav/LL-Q150_%28fra%29-LoquaxFR-conna%C3%AEtre_comme_sa_poche.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "connaître comme sa poche"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "to know like one's pocket"
      },
      "expansion": "“to know like one's pocket”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "to know like one's pocket"
      },
      "expansion": "Literally, “to know like one's pocket”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “to know like one's pocket”.",
  "head_templates": [
    {
      "args": {},
      "expansion": "connaître comme sa poche",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "related": [
    {
      "word": "connaître sur le bout des doigts"
    }
  ],
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French informal terms",
        "French lemmas",
        "French multiword terms",
        "French similes",
        "French terms with IPA pronunciation",
        "French terms with audio links",
        "French terms with usage examples",
        "French verbs"
      ],
      "examples": [
        {
          "english": "I know this place like the back of my hand.",
          "text": "Je connais cet endroit comme ma poche.",
          "type": "example"
        }
      ],
      "glosses": [
        "to know like the back of one's hand, to know backwards, to know inside and out"
      ],
      "links": [
        [
          "know like the back of one's hand",
          "know like the back of one's hand"
        ],
        [
          "know backwards",
          "know backwards"
        ],
        [
          "know inside and out",
          "know inside and out"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(informal, figuratively, simile) to know like the back of one's hand, to know backwards, to know inside and out"
      ],
      "tags": [
        "figuratively",
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kɔ.nɛ.tʁə kɔm sa pɔʃ/"
    },
    {
      "ipa": "/kɔ.ne.tʁə kɔm sa pɔʃ/"
    },
    {
      "audio": "LL-Q150 (fra)-LoquaxFR-connaître comme sa poche.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/24/LL-Q150_%28fra%29-LoquaxFR-conna%C3%AEtre_comme_sa_poche.wav/LL-Q150_%28fra%29-LoquaxFR-conna%C3%AEtre_comme_sa_poche.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/24/LL-Q150_%28fra%29-LoquaxFR-conna%C3%AEtre_comme_sa_poche.wav/LL-Q150_%28fra%29-LoquaxFR-conna%C3%AEtre_comme_sa_poche.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "connaître comme sa poche"
}